Set NO_RECOMMENDATIONS to "1", build and start a systemd image, and we
could not get serial getty spawned, thus causing the user not able to
login via serial port.
E.g.
MACHINE=qemux86-64 bitbake core-image-minimal
runqemu qemux86-64 nographic
And we cannot login onto the system.
Move util-linux-agetty and systemd-serialgetty (determined by PACKAGECONFIG)
from RRECOMMENDS to RDEPENDS to fix the above problem.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>